CN102779705B - Fuse - Google Patents
Fuse Download PDFInfo
- Publication number
- CN102779705B CN102779705B CN201210284321.XA CN201210284321A CN102779705B CN 102779705 B CN102779705 B CN 102779705B CN 201210284321 A CN201210284321 A CN 201210284321A CN 102779705 B CN102779705 B CN 102779705B
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- CN
- China
- Prior art keywords
- fuse
- securing member
- porcelain bushing
- spring
- arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 30
- 238000009413 insulation Methods 0.000 claims description 24
- 239000004020 conductor Substances 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract 1
- 238000010891 electric arc Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Fuses (AREA)
Abstract
The invention discloses a fuse which comprises a porcelain sleeve, a fuse tube, a fuse wire, an upper electrode, a lower electrode, a first fastening piece and a second fastening piece. The porcelain sleeve is formed in an integrated mode, the fuse tube is placed in the porcelain sleeve, the fuse wire is placed in the fuse tube, the first insulated fastening piece is installed at the position of a top tube port of the porcelain sleeve, and the second insulated fastening piece is installed at a position of a side opening of the porcelain sleeve. According to the fuse, the porcelain sleeve which is formed in an integrated mode is used so that the seal performance is good, inside components of the fuse wire and the like can be protected from being interfered by outside blown dust, moisture and rain, and the stability of long-time running of the fuse can be guaranteed; simultaneously, the fuse tube can further protect the fuse wire from being snapped by external forces during installing and disassembling processes; and the fuse further comprises the insulated fastening pieces, and the insulated fastening pieces can be used for fixing the connection of wires and the electrodes in the fuse.
Description
Technical field
The present invention relates to overload protection technical field, particularly relate to a kind of fuse.
Background technology
Along with improving constantly of china's overall national strength and the level of production, also increasing to the demand of electric power.
In order to make the production of electric power, conveying, use procedure be protected effectively, power industry employs a large amount of fuses.A fuse that can fuse when there is overcurrent is mostly protected in fuse, can available protecting power equipment by the break-make of fuse.But because power equipment is mostly in outdoor state, therefore inevitably will be subject to the interference of extraneous travel fatigue, moisture, rainwater with the supporting cartridge fuse be connected, the long-time running stability of fuse is not high.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of fuse, and to solve the not high problem of existing fuse long-time running stability, technical scheme is as follows:
A kind of fuse, comprise: the second securing member of the insulation that the first securing member of insulation that the top mouth of pipe of integrated porcelain bushing, the cartridge fuse be positioned in described porcelain bushing, the fuse be positioned in described cartridge fuse, upper electrode, lower electrode, described porcelain bushing is installed and the lateral opening of described porcelain bushing are installed, upper electrode in one end of described fuse and described fuse is electrically connected, and the lower electrode in the other end of described fuse and described fuse is electrically connected.
Preferably, the contact of described upper electrode and/or described lower electrode is petal type contact.
Preferably, the bottom mouth of pipe of described porcelain bushing is provided with dismountable seal cover
Preferably, the outside cover of described cartridge fuse has spring, the top of described spring is fixedly connected with described cartridge fuse, the bottom of described spring is connected with insulation cushion, make described spring be in compressive state by described insulation cushion and fixed the position of described insulation cushion by fixing described fuse, the bottom of described spring is corresponding with described seal cover.
Preferably, also comprise: arc-extinguishing stick and expulsion tube, described expulsion tube is enclosed within outside described cartridge fuse, described arc-extinguishing stick to be arranged in described expulsion tube and with described expulsion tube electrical isolation, described arc-extinguishing stick and described upper electrode are electrically connected, and described expulsion tube and described lower electrode are electrically connected.
Preferably, also comprise: mounting bracket, described mounting bracket is fixedly connected with described porcelain bushing.
By applying above technical scheme, a kind of fuse provided by the invention, the second securing member of the insulation of comprise integrated porcelain bushing, the first securing member of insulation that the top mouth of pipe of the cartridge fuse be positioned in described porcelain bushing, the fuse be positioned in described cartridge fuse, upper electrode, lower electrode, described porcelain bushing is installed and the lateral opening of described porcelain bushing being installed.Because the fuse in the present invention uses integrated porcelain bushing, therefore sealing is good, can protect the devices such as inner fuse not by the interference of extraneous travel fatigue, moisture, rainwater, can guarantee the long-time running stability of fuse.Meanwhile, cartridge fuse also can protect fuse can not be broken by external force in installation and unloading process further.The securing member of insulation is also included in fuse in the present invention, can the connection of electrode in securing electric lines and fuse.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of fuse that Fig. 1 provides for the embodiment of the present invention;
The generalized section of a kind of fuse that Fig. 2 provides for the embodiment of the present invention;
Electrode contact schematic diagram in the another kind of fuse that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the another kind of fuse that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the another kind of fuse local that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the another kind of fuse local that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the another kind of fuse local that Fig. 7 provides for the embodiment of the present invention;
The structural representation of the another kind of fuse that Fig. 8 provides for the embodiment of the present invention.
Embodiment
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
As shown in Figures 1 and 2, a kind of fuse that the embodiment of the present invention provides, can comprise: integrated porcelain bushing 001, be positioned over the cartridge fuse 002 in described porcelain bushing 001, be positioned over the fuse 003 in described cartridge fuse 002, upper electrode 004, lower electrode 005, second securing member 007 of the insulation that the first securing member 006 of insulation that the top mouth of pipe of described porcelain bushing 001 is installed and the side upper shed of described porcelain bushing 001 are installed, upper electrode 004 in one end of described fuse 003 and described fuse is electrically connected, lower electrode 005 in the other end of described fuse 003 and described fuse is electrically connected.
Wherein, a kind of tangent plane schematic diagram of fuse that provides for the embodiment of the present invention of Fig. 2.
It should be noted is that, in actual applications, the length of fuse 003 can adjust according to actual needs, and is connected with upper electrode 004, lower electrode 005 by fuse 003 by conductor (as electric wire).
It will be understood by those skilled in the art that; because porcelain bushing 001 in the present invention is formed in one; therefore sealing is good, can protect inner device such as fuse 003 grade not by the interference of extraneous travel fatigue, moisture, rainwater, can guarantee the long-time running stability of fuse.Meanwhile, cartridge fuse 002 also can protect fuse 003 can not be broken by external force in installation and unloading process further.The securing member of insulation is also included in fuse in the present invention, can the connection of electrode in securing electric lines and fuse.
It will be appreciated by those skilled in the art that a bit, upper electrode 004 can be connected the two ends of cartridge fuse 002 respectively with lower electrode 005.Because cartridge fuse 002 is column, therefore, preferably, the contact of described upper electrode 004 and/or described lower electrode 005 can be petal type contact as shown in Figure 3.
As shown in Figure 3, this petal type contact can comprise four contacts 008, by four contacts 008 and fuse 003 close contact, to keep good electrical connection.Certainly, upper electrode 004 can also pass through conductor adapting piece (as copper wire) and fuse 003 and is electrically connected.At this moment, the contact 008 of upper electrode 004 just can be connected with conductor adapting piece.In actual applications, the number of the petal type contact 008 of embodiment of the present invention top electrode 004 and/or described lower electrode 005 is not limited to four shown in Fig. 3, can also be other quantity, as three etc.
It will be appreciated by persons skilled in the art that petal type contact can increase the connection adaptability of electrode on the basis keeping good electrical contact, both can connect thicker wire, and also can connect thinner wire.
As shown in Figure 4, in the another kind of fuse that the embodiment of the present invention provides, the bottom mouth of pipe of described porcelain bushing 001 can be provided with dismountable seal cover 009.
The material of seal cover 009 can be the insulators such as rubber.Seal cover 009 can make whole fuse be isolated from the outside, and can get rid of external interference, the stability of further raising work.
As shown in Figures 5 and 6, in the another kind of fuse that the embodiment of the present invention provides, the outside of described cartridge fuse 002 can be overlapped and have spring 010, the top of described spring 010 is fixedly connected with described cartridge fuse 002, the bottom of described spring 010 is connected with insulation cushion 011, and insulation cushion 011 is fixedly connected with cartridge fuse.As shown in Figure 6, can described spring 010 be made to be in compressive state by described insulation cushion 011 and be fixed the position of described insulation cushion 011 by fixing described fuse 003, the bottom of described spring 010 be corresponding with described seal cover 009 as indicated at 4.
Can also comprise the cylindrical shape saddle 012 be enclosed within cartridge fuse 002 in fuse shown in Fig. 5 and Fig. 6, cylindrical shape saddle 012 can slide on cartridge fuse 002, and the bottom of cylindrical shape saddle 012 can be connected with the top of spring 010.The outer wall of cylindrical shape saddle 012 is provided with securing member 013.As shown in Figure 6, the lower end of fuse 003 upwards can bend through insulation cushion 011 and be wound around on securing member 013.After tightening fastener parts 013, the lower end of fuse 003 is just fixed.
In actual applications, the upper end of fuse 003 can be fixedly connected with upper electrode 004, or is fixedly connected with conductor adapting piece.Meanwhile, lower electrode 005 and securing member 013 are electrically connected, and the position of fixation fastener 013.Securing member 013 is conductor.
Because fuse 003 top and bottom are all fixed, therefore when there is the events such as overcurrent, fuse 003 will be started to discharge elastic force by the spring 010 compressed after fusing.Because securing member 013 is fixed, therefore insulation cushion 011 and cartridge fuse 002 will be flicked downwards, and strike the seal cover 009 shown in Fig. 4, are rushed open by seal cover 009.
Be understandable that, owing to seal cover 009 can be made to be in open mode after fusing, whether the fuse 003 that therefore technical staff can be judged in fuse by the state of seal cover 009 fuses, very directly perceived and convenient.
As shown in Figure 7, in the another kind of fuse that the embodiment of the present invention provides, can also comprise: arc-extinguishing stick 014 and expulsion tube 015, described expulsion tube 015 is enclosed within outside described cartridge fuse 002, described arc-extinguishing stick 014 to be arranged in described expulsion tube 015 and with described expulsion tube 015 electrical isolation, described arc-extinguishing stick 014 is electrically connected with described upper electrode 004, and described expulsion tube 015 is electrically connected with described lower electrode 005.
It will be appreciated by persons skilled in the art that after the fuse 003 in fuse fuses, cartridge fuse 002 and insulation cushion 011 flick by spring 010, and carry the lower part fuse after fusing if do not have arc-extinguishing stick 014 of the present invention and expulsion tube 015.At this moment, the upper part fuse after fusing and lower part fuse, will produce electric arc between cartridge fuse 002.In the present invention, expulsion tube 015 is connected with lower electrode 005, and arc-extinguishing stick 014 is connected with upper electrode 004.After the fuse 003 in fuse fuses, electric arc will produce between arc-extinguishing stick 014 and expulsion tube 015.Be understandable that, electric arc can make the air heats between arc-extinguishing stick 014 and expulsion tube 015 expand and produce air-flow.Because the gap between arc-extinguishing stick 014 and expulsion tube 015 is less, electric arc can successfully be blown out by the air-flow therefore produced, thus realizes the object of extinguishing arc.
As shown in Figure 8, in the another kind of fuse that the embodiment of the present invention provides, can also comprise: mounting bracket 016, described mounting bracket 016 is fixedly connected with described porcelain bushing 001.
It will be appreciated by persons skilled in the art that just can easily by fuse installation in the electrical apparatus by mounting bracket 016.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.
The above is only the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (2)
1. a fuse, it is characterized in that, comprising: the second securing member of the insulation that the lateral opening of the first securing member of the insulation that the top mouth of pipe of integrated porcelain bushing, the cartridge fuse be positioned in described porcelain bushing, the fuse be positioned in described cartridge fuse, upper electrode, lower electrode, described porcelain bushing is installed, described porcelain bushing is installed, arc-extinguishing stick and expulsion tube;
The bottom mouth of pipe of described porcelain bushing is provided with dismountable seal cover;
The outside cover of described cartridge fuse has spring, the top of described spring is fixedly connected with described cartridge fuse, the bottom of described spring is connected with insulation cushion, make described spring be in compressive state by described insulation cushion and fixed the position of described insulation cushion by fixing described fuse, the bottom of described spring is corresponding with described seal cover;
Be enclosed within the cylindrical shape saddle on cartridge fuse, the bottom of described cylindrical shape saddle is connected with the top of described spring; The outer wall of described cylindrical shape saddle is provided with securing member;
Upper electrode in the upper end of described fuse and described fuse is electrically connected, and the lower end of described fuse upwards bends through described insulation cushion and is wound around on described securing member;
Described lower electrode and described securing member are electrically connected; Described securing member is conductor;
The contact of described upper electrode and/or described lower electrode is petal type contact; Described petal type contact comprises four contacts, is come and fuse close contact by four contacts, to keep good electrical connection;
Arc-extinguishing stick and expulsion tube, described expulsion tube is enclosed within outside described cartridge fuse, described arc-extinguishing stick to be arranged in described expulsion tube and with described expulsion tube electrical isolation, described arc-extinguishing stick and described upper electrode are electrically connected, and described expulsion tube and described lower electrode are electrically connected.
2. fuse according to claim 1, is characterized in that, also comprises: mounting bracket, and described mounting bracket is fixedly connected with described porcelain bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284321.XA CN102779705B (en) | 2012-08-06 | 2012-08-06 | Fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284321.XA CN102779705B (en) | 2012-08-06 | 2012-08-06 | Fuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102779705A CN102779705A (en) | 2012-11-14 |
| CN102779705B true CN102779705B (en) | 2015-01-14 |
Family
ID=47124579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210284321.XA Active CN102779705B (en) | 2012-08-06 | 2012-08-06 | Fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102779705B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545154B (en) * | 2013-11-04 | 2015-10-21 | 国家电网公司 | Fuse |
| CN107527774A (en) * | 2017-09-28 | 2017-12-29 | 北京索弗电气科技有限公司 | A kind of plateau type fuse |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4057774A (en) * | 1975-04-16 | 1977-11-08 | Hiroo Arikawa | Miniature time-delay fuse |
| CN2901565Y (en) * | 2006-05-26 | 2007-05-16 | 马辉 | Closed high voltage fuse |
| CN101635233A (en) * | 2008-07-24 | 2010-01-27 | 上海市电力公司 | Insulating enclosed type pagoda-shaped fuse |
| CN202332762U (en) * | 2011-11-08 | 2012-07-11 | 山西省电力公司长治供电分公司 | All-insulation outdoor ejection fuse |
| CN202695360U (en) * | 2012-08-06 | 2013-01-23 | 象山县供电局 | Fuse protector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2264974Y (en) * | 1996-05-15 | 1997-10-15 | 姜德轩 | Small capacity springing fuse |
-
2012
- 2012-08-06 CN CN201210284321.XA patent/CN102779705B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4057774A (en) * | 1975-04-16 | 1977-11-08 | Hiroo Arikawa | Miniature time-delay fuse |
| CN2901565Y (en) * | 2006-05-26 | 2007-05-16 | 马辉 | Closed high voltage fuse |
| CN101635233A (en) * | 2008-07-24 | 2010-01-27 | 上海市电力公司 | Insulating enclosed type pagoda-shaped fuse |
| CN202332762U (en) * | 2011-11-08 | 2012-07-11 | 山西省电力公司长治供电分公司 | All-insulation outdoor ejection fuse |
| CN202695360U (en) * | 2012-08-06 | 2013-01-23 | 象山县供电局 | Fuse protector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102779705A (en) | 2012-11-14 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |